Malicious PDF — malware analysis report

Static analysis result for SHA-256 95f5c822d2f816e2…

MALICIOUS

PDF

73.8 KB Created: 2021-02-13 00:01:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 07a200b06ccb893d86f18a47cb5a3acb SHA-1: baa7941944037e529435bb7364a17ca4725bf0e3 SHA-256: 95f5c822d2f816e2bade8a21a8afea9b59503d84b8a62693c5c14a571fbaab03
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://seumenha.ru/aws?utm_term=iso+27001+lead+auditor+study+guide+pdf PDF link annotation
    • https://suniponemiviku.weebly.com/uploads/1/3/1/6/131636748/fovipaz.pdfIn PDF document text
    • http://complerbnp.com/dogagagorwwks.pdfIn PDF document text
    • https://zatenumidepav.weebly.com/uploads/1/3/0/7/130776458/7412663.pdfIn PDF document text
    • https://wavenugila.weebly.com/uploads/1/3/4/8/134852162/3712990.pdfIn PDF document text
    • https://cdn.sqhk.co/bebetirifam/ih93nun/masha_e_o_urso_png_fundo.pdfIn PDF document text
    • https://rasegopejut.weebly.com/uploads/1/3/4/3/134317160/mevuluxewiri_dixelopejogijo_wemujozarikof.pdfIn PDF document text
    • http://italiahot.fun/break_even_analysis_questions_and_answers_ppt4nttz.pdfIn PDF document text
    • http://izzzaaa.space/aha_bls_instructor_guidelineso4i95.pdfIn PDF document text
    • https://fibobamoga.weebly.com/uploads/1/3/1/6/131607866/c0ddcbb74.pdfIn PDF document text
    • https://dizakevusarebiz.weebly.com/uploads/1/3/4/5/134581037/boweronikemibagozab.pdfIn PDF document text
    • https://cdn.sqhk.co/zidexamuwela/hhCgemK/cersei_lannister_last_words.pdfIn PDF document text
    • https://cdn.sqhk.co/manoxixo/hahghjf/nfl_fantasy_football_rankings_by_position_2020.pdfIn PDF document text
    • http://daniele.store/testosterone_metabolismd3z5w.pdfIn PDF document text
    • https://tariwina.weebly.com/uploads/1/3/0/7/130739483/5441769.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wikilupari.epizy.com/starline_los_angeles_map.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e098.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE098 5652 bytes
SHA-256: ef7ff2d2e6677b21ab782448e08e52abad90c6f34f215b040c10054b30af97d3
font_01_sfnt_off0000f400.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF400 11260 bytes
SHA-256: c4f0b975b0ff3beece6cf657ddf1c2fbcfc483911ef0cf0ae5a066bfcd6cfdc3